<template>
  <div>
    <el-form
      ref="loginForm"
      :model="form"
      :rules="rules"
      label-width="80px"
      class="login-box"
    >
      <h3 class="login-title">欢迎登录</h3>
      <el-form-item label="账号" prop="username">
        <el-input
          type="text"
          placeholder="请输入账号"
          v-model="form.username"
        />
      </el-form-item>
      <el-form-item label="密码" prop="password">
        <el-input
          type="password"
          placeholder="请输入密码"
          v-model="form.password"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" v-on:click="onSubmit('loginForm')"
          >登录</el-button
        >
      </el-form-item>
    </el-form>
  </div>
</template>

<script>
import userApi from "../../api/user";
import token from "../../api/token";
export default {
  name: "Login",
  data() {
    return {
      form: {
        username: "",
        password: "",
      },

      // 表单验证，需要在 el-form-item 元素中增加 prop 属性
      rules: {
        username: [
          { required: true, message: "账号不可为空", trigger: "blur" },
        ],
        password: [
          { required: true, message: "密码不可为空", trigger: "blur" },
        ],
      },
    };
  },
  methods: {
    onSubmit(formName) {
      // 为表单绑定验证功能
      this.$refs[formName].validate((valid) => {
        if (valid) {
          userApi.login(this.form.username, this.form.password).then((res) => {
            token.set(res.tokenValue);
            this.$lychat
              .login({ sign: res.tokenValue })
              .then(() => {
                this.$router.replace("/Chats");
              })
              .catch((error) => {
                this.$toast(error);
              });
          });
        } else {
          this.$message({
            message: "请输入用户名或密码",
            type: "warning",
          });
          return false;
        }
      });
    },
  },
};
</script>

<style  scoped>
.login-box {
  border: 1px solid #dcdfe6;
  width: 350px;
  margin: 180px auto;
  padding: 35px 35px 15px 35px;
  border-radius: 5px;
  -webkit-border-radius: 5px;
  -moz-border-radius: 5px;
  box-shadow: 0 0 25px #909399;
}

.login-title {
  text-align: center;
  margin: 0 auto 40px auto;
  color: #303133;
}
</style>